Passive optical sensor using carbon nanotubes

Phase-conjugate interferometer

Photo-elastic sensor

Photoelastic effect measuring device

Photoelastic strain gauge

Photoelastic strain gauge coating

Photoelastic strain gauge coating and method of using same

Photoelastic stress analysis

Photoelastic stress sensor signal processor

Photoelasticity determination of a deformation or stress field

Physical quantity measuring apparatus

Polarimetric optical frequency domain distributed strain sensor

Polarization control system

Portable moire interferometer and corresponding moire interferom

Process and apparatus for recording the deformation of objects